Lug strap for looms



NOV. 8, 1932. H F LNERMORE 1,886,563

LUG STRAP FOR LOOMS Filed May l2, 1931 Patented Nov. 8, 1932 HOMER F.LIVERMORE, OF BROOKLINE, MASSCHUSETTS, SSIGNOR-TO GUARANTEED PARTS,INC., OF ALLSTON, MASSACHUSETTS, A*ICOR-.PGRATION OF MASSACHUSETTS LUGSTRAP Application filed May 12,'

This invention relates to an improvement in lug straps for looms.

The object of the invention is to provide a lug strap of novelconstruction embodying therein a pair of side bars between which islocated an adjustable striker member, the latter being preferablycylindrical in form and being so secured to the side bars that it may berotated therebetween in order that dierent portions of is periphery maycontact with a picker stick or be engaged by a pick arm as saidperiphery becomes worn, the rcsult being that the life of the lug strapis greatly prolonged.

Another object of the invention is to pro-Yv vide an improved holdupmember by meansof which the lug strap is connected to an intermediateportion of the picker stick.

The invention consists in an improved lug strap for looms as set forthin the following speciication and particularly as pointed out in theclaims thereof.

Referring to the drawing:

Fig. 1 is a side elevation of an intermediate portion of a picker stick,an end portion of a sweep stick, and a lug strap and" hold-up membertherefor embodying my invention.

Fig. 2 is a sectional plan view taken on the "1 line 2--2, Fig. 1.

Fig. 3 is a transverse sectional elevation taken on the line 3 3 of Fig.1.

Fig. 4 is a detail transverse section taken on the line lr-4: of Fig. 1.

Like numerals refer to like parts throughout the several views of thedrawing.

In the drawing, 5 represents an intermediate portion of a picker stickof well-known form, 6 an end portion of a sweep stick also of well-knownform, and 7 is a lug strap which is secured by means of a bolt 8 to thesweep stick, and is connected, in a manner hereinafter to be described,to the picker stick.

The lug strap 7 embodies therein a pair of side bars 9 which may beeither rigid or flexible. When rigid they may be made of a light strongmetal. When flexible they may be made of leather, or layers of fabricsecured together by a suitable adhesive. The

son" Looms 1931. Serial No. '536,753'.

side bars 9. are located upon opposite sides of l the picker stick 5 andtheir outer'end -portions are secured together by means of a bolt 10which entends throughV a cylindrical sleeve 11 which also functions as aspacing member to space the outer end portions of the bars 9 apredetermined distance apart.

Rotatably mounted upon the sleeve 11 `between the side bars 9 is astriker 12 also cylindrical in form, and this striker.is'clampedVbetween the bars 9 by means of the bolt 10. rlhe strikerv may-beconstructed `of leather, rubber, fabric,-or anyother toughvmaterialcapable of withstanding 'excessive wear, and

the periphery thereof is adaptedl to contact.r

with an :edge of the picker stick. Asf'the periphery of the striker 12lbecomes-worn from continual contact with the edge ofthe picker stick,the striker may be rotatedupon the sleeve 11 between the bars Sand anun-A lworn portion of its periphery moves into poy sition to engage thepicker stick, the bolt 10 being first loosened to permit the striker 12to be'rotated, and then tightenedl in order that said striker willbeclamped between the 1 bars 9. Y f

The lug strap. 7 is supported'at a proper position upon the picker stick5 bymeans of a plate 13 -which constitutes a hold-up inember, said platebeing providedwith oppo-4 sitely-disposed notches 11i in which thebars 9are located.: The plate 13 isclam-ped to an edge of the picker stick 5by meansiof 'a yoke 15 which encirclesthe picker stick and which issecured to the latter by means of a set screw 16. In adjusting the plate13 upon the picker stick 5 all that is necessary is to loosen the setscrew 16 a sufcient amount to permit the plate to slide upon the pickerstick beneath the yoke 15, after which said yoke is tight-f ened againstthe plate by again tightening the screw 16.

In the operation of the loom, when the striker 12 has become worn tosuch an extent that the proper operation ofthe picker stick is -1 engagethe picker stick and the striker is thenclamped in this position bytightening the bolt l0.

While I have illustrated the lug strap of this invention as beingattached at one end only of a sweep stick for the purpose of end gagingthe picker stick and causing the latter to be actuated, in certain typesof looms a separate lug strap may be secured at each end v of the sweepstick, one of said lug straps being adapted to engage the picker stickand the other of said lug straps being adapted to be engaged by the pickarm, and it will be understood that in certain of the claims theactuated member mentioned has reference to the picker stick andtheactuating member mentioned refers to the pick arm;

I claim:

l. 'A lug strap of the character described,

having, in combination, a pair of side` bars,

a rigidspacer for said side bars, whereby the latter are positioned apredetermined distance apart, a 'flexible striker member mounted torotate upon said spacer, and means to clamp the spacer and strikermember between the side bars.

2. A lug strap of the character described having, in combination, a pairof side bars,

va non -compressible sleeve interposed between said bars and spacing thelatter. a predetermined distance apart, a flexible striker memberrotatably mounted upon said sleeve, and a bolt vextending through theside bars and sleeve and clamping the sleeve and striker between theside bars. Y

3. In combination, a sweep stick, a pair of side bars attached at oneend thereof to said sweep stick, a sleeve interposed between said barsat the other end thereof and spacing the bars apredetermined distanceapart, a picker stick located between said side bars, a hold-up platefast to said picker stick and engaging saidside bars, astriker rotatablymounted upon said sleeve and means to clamp said sleeve and strikerbetween the bars whereby .diferent portions of the periphery of thestriker may be presented to the picker stick. In testimonywhereof I havehereunto set my hand.

HOMER F. LIVERMORE.

